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Driven Bose-Hubbard dimer under nonlocal dissipation: A bistable time crystal
Stockholm University, Faculty of Science, Department of Physics.
Number of Authors: 32019 (English)In: Physical Review B, ISSN 2469-9950, E-ISSN 2469-9969, Vol. 100, no 5, article id 054303Article in journal (Refereed) Published
Abstract [en]

We investigate the critical behavior of the open coherently-driven Bose-Hubbard dimer under nonlocal dissipation. A conserved quantity arises from the nonlocal nature of the dissipation, rendering the dimer multistable. In the weak-coupling semiclassical limit, the displayed criticality takes the form of amplitude bistability and breaking of spatial and temporal symmetries. A period-bistable time crystal is formed, consisting of Josephson-like oscillations. Mean-field dynamics and quantum trajectories complement the spectral analysis of the Liouvillian in the approach to the semiclassical limit.

Place, publisher, year, edition, pages
2019. Vol. 100, no 5, article id 054303
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Materials Engineering Physical Sciences
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URN: urn:nbn:se:su:diva-173141DOI: 10.1103/PhysRevB.100.054303ISI: 000481467500001OAI: oai:DiVA.org:su-173141DiVA, id: diva2:1354654
Available from: 2019-09-25 Created: 2019-09-25 Last updated: 2019-09-25Bibliographically approved

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